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Question

In the given circuit, assuming point $A$ to be at zero potential, Use Kirchoff's Rule to determine the potential at point $B$ .

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Solution

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In $1^{s t} 100 p$
$- R + 1 + 2 = 0$
$\Rightarrow R = 3 Ω$
In $2^{n d} 100 p$
$- 2 R_{1} + 2 - 2 = 0 \Rightarrow R_{1} = 0$
Now going from point A to B viac .
$V_{A} + 1 - 0 = V_{B} \Rightarrow V_{B} = 1 V$

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